package org.agilelang.fgl.parser;

/*
 AgileLang - A fourth generation language(http://www.agilelang.org).

 Copyright (C) 2013 Roderick Cusirramos (roderick20@hotmail.com)

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.util.*;
import org.agilelang.fgl.parser.Process;
import org.agilelang.object.Menu;
import org.agilelang.object.attributes.MenuItem;


public class MenuProcess extends Process {

    Class menu_class;
    Class menuitem_class;
    HashMap appMenu = new HashMap();

    public MenuProcess() {
        try {
            menu_class = Class.forName("org.agilelang.object.Menu");
            menuitem_class = Class.forName("org.agilelang.object.attributes.MenuItem");
        } catch (ClassNotFoundException ex) {
            error = "Error  : " + ex.toString();
        }
    }

    public boolean process(String aLine) {
        Menu menu;
        MenuItem menuitem = new MenuItem();
        String name_menu = this.setPluralize(aLine);
        if (this.isReservedWord(name_menu.toLowerCase())) {
            this.error = "Error nombre es palabra reservada  : " + name_menu;
            return false;
        }
        if (appMenu.containsKey(name_menu)) {
            menu = (Menu) appMenu.get(name_menu);
        } else {
            menu = new Menu();
            menu.name = name_menu;
        }
        Function function = Util.getFunction(aLine);

        if (function.name.equals("define")) {
            String[] param = Util.split(function.val, ",");
            for (int i = 0; i < param.length; i++) {
                String[] paramdel = Util.split(param[i], "=");
                String name = paramdel[0];
                String value = paramdel[1].substring(1, paramdel[1].length() - 1);
                if (name.equals("controller")) {
                    value = this.setPluralizeNaked(value);
                }

                if (Util.setField(menu_class, name, menu, value)) {
                    appMenu.put(menu.name, menu);
                } else {
                    error = "Error parametro de la funcion \"define\" no existe : " + name;
                    return false;
                }
            }
        } else if (function.name.equals("addMenuItem")) {
            String[] param = Util.split(function.val, ",");
            for (int i = 0; i < param.length; i++) {
                String[] paramdel = Util.split(param[i], "=");
                String name = paramdel[0];
                String value = paramdel[1].substring(1, paramdel[1].length() - 1);
                if (name.equals("controller")) {
                    value = this.setPluralizeNaked(value);
                }
                if (!Util.setField(menuitem_class, name, menuitem, value)) {
                    error = "Error parametro de la funcion \"addMenuItem\" no existe : " + name;
                    return false;
                }
            }
            Object arglist[] = new Object[1];
            arglist[0] = menuitem;
            Util.setMethod(menuitem, menu_class, menu, "addMenuItem");
            appMenu.put(menu.name, menu);
        } else {
            error = "Error Funcion no existe : " + function.name;
            return false;
        }
        return true;
    }

    public List<Menu> getListMenu() {
        List<Menu> listMenu = new ArrayList<Menu>();
        SortedSet<String> sortedset = new TreeSet<String>(appMenu.keySet());
        Iterator<String> it = sortedset.iterator();
        while (it.hasNext()) {
            Menu menu = (Menu) appMenu.get(it.next());
            listMenu.add(menu);
        }
        return listMenu;
    }
}
